Protective mask



1. Protective mask

1.1 : Flattened bottom view

1.2 : Enlarged view of the interior of the mask and foam strip

1.3 : Back view in an open position

1.4 : Front view in an open position

1.5 : Left side view of the mask in an open position

1.6 : Flattened top view

In the reproductions, the broken lines represent ultrasonic welding lines that form part of the claim. 

CLAIM The ornamental design for a protective mask, as shown and described. 